HideU: Calculator Lock
Keep Phone Safe and Hide Photos & Videos behind Calculator! APP locker & hider.
Smart Utils Dev Team · com.calculator.hideu
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.4.0 (2400)
- Updated
- Jul 31, 2026 (2 months ago)
- APK size
- 69.4 MB
- Requires
- Android 6.0+ (API 23)
- CPU support
- ARM 32-bit, ARM 64-bit
- Category
- Tools (app)
- Listed since
- May 13, 2021 (at least)
- Permissions
- 64 (16 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
HideU: Calculator Lock is an app by Smart Utils Dev Team in the Tools category, listed since at least May 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 2.3.3, the APK grew from 49.9 MB to 69.4 MB and the minimum Android version rose from 5.0 to 6.0. It asks for 64 permissions, 16 of them sensitive, including camera, record audio and read contacts. It asks for the same permissions as version 2.3.9. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.
Description
From the listing uploaded by “appupdater”.
HideU allows you to hide all types of files, including photos, videos and other items in hidden space with calculator password protection. It also provides you with other useful functions, including notes, video player, camera, etc. You can use HideU as a private parallel space in your phone.
Your files will be secretly stored in HideU and can only be accessed by entering a digital PIN.
Disguised as a secret calculator, HideU is a stunning free video vault, photo gallery lock, audio protector and privacy guard for your personal information and media files.
Main Features:
📷 Hide photos & videos
Secret media files will be stored in HideU and will not be shown in any other photo album, gallery or file manager. Keep others away from your private photos, videos, movies in safe media files vault.
📺 Video Player & Built-in Photo Viewer
You can play hidden videos inside calculator lock. The video player provides very convenient functions to allow you easily adjust the brightness, sound, and one-key mute to help you quickly switch in various situations.
Through Built-in Photo Viewer, you can easily view all hidden photos inside the calculator lock app. HideU also supports you to edit photos. You can add filters, crop, text, adjust basic parameters-just like system picture editing！
😆 Private Browser
If you want to protect your browsing data, then using the private browser is a good choice, it can provide you with a secret and anonymous browsing experience.
🔐 App Lock
For apps that have been locked, people need to enter a password or draw the unlock pattern to use. App lock can prevent privacy from leaking to others.
☁️ Cloud Service
Back up all your personal files and data to the cloud in a safe and private way. Guarantee your data security to the greatest extent.
🎭 Icon Disguise
The icon of the application looks like an ordinary system calculator, and you can also use it to perform calculations. The way you enter the password to open the private space of the calculator is also very secret. Except for yourself, no one will know the existence of this private space.
-----------FAQ-----------
Q: How to use?
A: Enter your password on calculator and press '=' button to open.
Q: How to retrieve your password?
A: Please enter “11223344=” to verify your security question and then reset the password. If you still have issues, please choose 'Trouble in logging' and send us e-mail and our support team will contact you within 24 hours. you cannot find the email in the Inbox, please check your Spam or Trash folders.
Privacy Policy: https://sites.google.com/view/hideu-privacy-policy/
Contact us: [email protected]
IMPORTANT:
Your privacy is important to us! HideU Calculator Lock – Photo & Video Vault app does not copy or store your photos and videos.
Do not uninstall HideU, clear app data or delete files and folders generated by HideU before backing up your personal data through cloud service. Otherwise, your files will be lost forever.
We focus on privacy protection and we are dedicated to provide the most advanced photo locker and video hider to keep your privacy safe!
Version history
5 versions are listed, going back to v2.3.3. Since v2.3.5 it requires Android 6.0+.
Security & authenticity
Security rating: Trusted
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jul 31, 2026.
- Certificate issued to “Amber” This is the certificate of the Google Play version.
- Same certificate as the 2 other versions checked
Store checks and file details
- Developer signature under review Jul 31, 2026
- Validated against Google Play Jul 31, 2026
- Signed byCN=hideu, OU=Mobile, O=Amber
- Signing certificate (SHA-1)7C:FA:48:76:36:17:AB:7D:86:D3:E6:49:AB:40:06:3C:D2:A0:CD:BD
- File MD55d6ad8b76933e9d15bf8fc15dd5d2179
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (64)
HideU: Calculator Lock requests 64 permissions, 16 of them sensitive.
- Access all files Sensitive android.permission.MANAGE_EXTERNAL_STORAGE
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Bind notification listener service Sensitive android.permission.BIND_NOTIFICATION_LISTENER_SERVICE
- Bluetooth advertise Sensitive android.permission.BLUETOOTH_ADVERTISE
- Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
- Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
- Call phone Sensitive android.permission.CALL_PHONE
- Camera Sensitive android.permission.CAMERA
- Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Nearby wifi devices Sensitive android.permission.NEARBY_WIFI_DEVICES
- Package usage stats Sensitive android.permission.PACKAGE_USAGE_STATS
- Read contacts Sensitive android.permission.READ_CONTACTS
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Access superuser android.permission.ACCESS_SUPERUSER
- Access weatherclock provider android.permission.ACCESS_WEATHERCLOCK_PROVIDER
- Advertising ID com.google.android.gms.permission.AD_ID
- Apphub bind apphub service (custom) com.applovin.array.apphub.permission.BIND_APPHUB_SERVICE
- Calendar write calendar recess (custom) com.hihonor.calendar.permission.WRITE_CALENDAR_RECESS
- Change component enabled state android.permission.CHANGE_COMPONENT_ENABLED_STATE
- Change network state android.permission.CHANGE_NETWORK_STATE
- Change wifi state android.permission.CHANGE_WIFI_STATE
- Control vibration android.permission.VIBRATE
- Expand status bar android.permission.EXPAND_STATUS_BAR
- Flashlight android.permission.FLASHLIGHT
- Foreground service special use android.permission.FOREGROUND_SERVICE_SPECIAL_USE
- Full network access android.permission.INTERNET
- Get package size android.permission.GET_PACKAGE_SIZE
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Hideu read notifications (custom) com.calculator.hideu.permission.READ_NOTIFICATIONS
- Hideu read settings (custom) com.calculator.hideu.permission.READ_SETTINGS
- Hideu write settings (custom) com.calculator.hideu.permission.WRITE_SETTINGS
- Hihonor calendar recess (custom) com.android.calendar.hihonor.permission.CALENDAR_RECESS
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) com.calculator.hideu.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Launcher read settings (custom) com.android.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.fede.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.htc.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.samsung.android.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.teslacoilsw.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) org.adwfreak.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) org.adw.launcher.permission.READ_SETTINGS
- Launcher3 read settings (custom) com.android.launcher3.permission.READ_SETTINGS
- Nexuslauncher read settings (custom) com.google.android.apps.nexuslauncher.permission.READ_SETTINGS
- Oppo oppo component safe (custom) oppo.permission.OPPO_COMPONENT_SAFE
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- Reorder tasks android.permission.REORDER_TASKS
- Request delete packages android.permission.REQUEST_DELETE_PACKAGES
- Run foreground services android.permission.FOREGROUND_SERVICE
- Set wallpaper android.permission.SET_WALLPAPER
- Set wallpaper hints android.permission.SET_WALLPAPER_HINTS
- Show notifications android.permission.POST_NOTIFICATIONS
- Totemweather access weatherclock provider (custom) com.hihonor.android.totemweather.permission.ACCESS_WEATHERCLOCK_PROVIDER
- Trebuchet read settings (custom) com.cyanogenmod.trebuchet.permission.READ_SETTINGS
- Use biometric hardware android.permission.USE_BIOMETRIC
- Use fingerprint hardware android.permission.USE_FINGERPRINT
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Location android.hardware.location
- Microphone android.hardware.microphone
- Portrait screen android.hardware.screen.portrait
HideU: Calculator Lock APK: questions and answers
Is there a version of HideU: Calculator Lock for older Android phones?
The current version needs Android 6.0 or later. Version 2.3.3 is the newest listed build that installs on Android 5.0 and later. Get version 2.3.3 · All versions
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is HideU: Calculator Lock free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the HideU: Calculator Lock APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 5d6ad8b76933e9d15bf8fc15dd5d2179.
